<template>
    <div :class="className" :style="{height:height,width:width}" />
</template>

<script>
import echarts from "echarts";
require("echarts/theme/macarons"); // echarts theme
import resize from "./mixins/resize";

const animationDuration = 6000;

export default {
    mixins: [resize],
    props: {
        className: {
            type: String,
            default: "chart"
        },
        width: {
            type: String,
            default: "100%"
        },
        height: {
            type: String,
            default: "300px"
        }
    },
    data() {
        return {
            chart: null
        };
    },
    mounted() {
        this.$nextTick(() => {
            this.initChart();
        });
    },
    beforeDestroy() {
        if (!this.chart) {
            return;
        }
        this.chart.dispose();
        this.chart = null;
    },
    methods: {
        initChart() {
            this.chart = echarts.init(this.$el, "macarons");

            this.chart.setOption({
                tooltip: {
                    trigger: "axis",
                    axisPointer: { // 坐标轴指示器，坐标轴触发有效
                        type: "shadow" // 默认为直线，可选为：'line' | 'shadow'
                    }
                },
                grid: {
                    top: 10,
                    left: "2%",
                    right: "2%",
                    bottom: "3%",
                    containLabel: true
                },
                xAxis: [{
                    type: "category",
                    data: ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"],
                    axisTick: {
                        alignWithLabel: true
                    }
                }],
                yAxis: [{
                    type: "value",
                    axisTick: {
                        show: false
                    }
                }],
                series: [{
                    name: "pageA",
                    type: "bar",
                    stack: "vistors",
                    barWidth: "60%",
                    data: [79, 52, 200, 334, 390, 330, 220],
                    animationDuration
                }, {
                    name: "pageB",
                    type: "bar",
                    stack: "vistors",
                    barWidth: "60%",
                    data: [80, 52, 200, 334, 390, 330, 220],
                    animationDuration
                }, {
                    name: "pageC",
                    type: "bar",
                    stack: "vistors",
                    barWidth: "60%",
                    data: [30, 52, 200, 334, 390, 330, 220],
                    animationDuration
                }]
            });
        }
    }
};
</script>
